Coin-operated induction-coil



(No Model.)

J. H. ELFERING.

00m OPERATED INDUCTION COIL.

No. 409,738. Patented Aug. 27, 1889.

5y mW m UNITED STATES PATENT OFFICE.

JOHN H. ELFERING, OF CHICAGO, ILLINOIS.

COIN-OPERATED INDUCTION-COIL.

SPECIFICATION forming part of Letters Patent No. 409,738, dated August 27, 1889.

Application filed October 6, 1888. Serial No. 287,440%- (No model.)

jointly or otherwise, will beapparent froml the following description.

I11 the accompanying drawings, forming part of this specification, Figure 1 is a rear elevation of my device, the back of the case being removed. Fig. 2 is a section taken at the line 00 m, Fig. 3. Fig. 3 is a front elevation of the device on a reduced scale. Fig. 4 I 1s a view of the top of the mechanism. Fig.

5 represents the pawl and ratchet-wheel of the train. Fig. 6 is a section taken at the line 3 y, Fig. 3. Fig. 7 is a section taken at the line a .2, Fig. 3.

An upright case A is provided, which supports the various parts of the operative mechanism. The front of the case A is perforated by. a slot at, and immediately behind this slot, on the inside, is the opening of the tube B, which leads downward and terminates immediately over the cup (1 (shown by dotted lines) in the end of the lever B.

To prevent the coin, which is to be dropped through the tube B into the cup d, from rolling out of the open end of the latter, the lug C is attached to the case A and projects in front of the said opening. The box K is placed under the lever D to catch the coin as it rolls out of the cup (1 when the lever D is tilted. The opposite end of the lever D is provided with -a sliding weight (1', by means of which it may be adjusted to tip at the weight of the particular coin determined upon. Beside the end of the lever D, andin the range of its arc of movement, is placed the spring E, which projects obliquely from the case A. As the end of the lever D rises it comes in contact .with the spring E and forms an electrical connection, which will be described hereinafter.

At each side of the case, on the outside, is a handle I-I, rigidly attached to one end of a bent lever F. The bent levers F are fulcrumed to the case A and have one arm projecting through the case, while the other extends obliquely upward and inward within the case. The ends of the inner arms of the two levers are connected by the cross-rod F. Each lever F is provided with an arm f, having an upwardly-proj ectinglugf, which catch behind the bolts 9. The bolts g are attached to opposite ends of the lever G, while their other ends slide in the guides g.

Opposite one end of the lever G the coil w is placed, and when a current of electricity is passed through the coilthe lever G is drawn to it, acting as an armature, and in its movement withdraws, the bolts g, which hold the levers F. The spring G returns the lever G to place. The rod F is attached to one of the levers F and extends downward, suitably guided toward the lever D, which it depresses as the levers F are lowered.

In the frame-work I in the upper part of the case the shaft-J is supported. This shaft carries the pinion J which meshes with the rack L. The rack L is adapted to slide vertically on the rod Z, which passes through it. The bracket Z extends from the top of the rack L and is attached to the sheath mof the core at of the induotioncoil. The coil M surrounds the core m. The vibrating armature m or interrupter is placed at the bottom of the coil. The pulley N turns loosely on the shaft J. It is provided with the pawl 71, which works in the ratchet n, this latter being rigidly attached to the shaft J. The cord 0 is wound once around the pulley N, and has one end attached to the Weight 7', while the other is attached to the spiral spring 0, this latter being attached to the rod F. The shaft J also carries the gear-wheel P, which gears into the train of wheels T T.

As a means of regulating the speed of movement of the train of wheels T, the escapement-pawl t is provided. The outer end of the shaft J carries the index-hand r of the dial R.

The electrical connections are as follows: From the cell S, which may be conveniently placed in the bottom of the case A, the wire 1 runs to the spring E, with which it con-.

nects and from which it is continued by the Wire 2 to the spring-finger U, attached to the case A. The spring-finger V is attached to the case A, and is placed behind the finger U, out of contact with which it is kept by the lug f of the bent lever F. The wire 3 eX- tends from the finger V to the armature-post m The armature m and the wire 9 complete the line to the coil M. The wire 4 eX- tends from the coil M to the cell or battery S. The Wire 5 extends from the wire 4 to the coil W and the wire 6 connects the coil W and the lever D. The wires 7 and 8 extend from the core of the coil M to the handles H.

The mode of operation is as follows: The coin introduced into the slot at drops through the tube B into the cup d of the lever D. The additional weight thus put on one end of the lever tilts it, thus permitting the coin to run out of the cup 1) into the box K,

while the other end of the lever is lifted and brought in contact with the spring-finger E. This contact closes an electrical circuit, which may be traced as follows: From cell S over wire 1, spring-finger E, lever D, wire 6, coil W, and wires 5 and 4 to the cell. This circuit magnetizes the cores of the coil W, which thereupon attract to them the lower end of the lever G, thus withdrawing the bolts 9 and leaving the handles H free to be raised. As the handles H are raised the rod F is moved downward and the levers F, moving away from the front of the case, permit the springfinger V to come in contact with the springfinger U, which closes the circuit from the battery S through the coil M, by way of wire.

'handles,and the party holding the handles is induced as often as the armature m interrupts the primary current. As the rod F descends it makes tension on the spring 0, which gradually draws down the cord 0. This movement of the cord 0 turns the shaft J with gear J, and thus raises the rack L and with it the sheath m, which as it rises increases the intensity of the current passing through the individual holding the handles H. The train of wheels governed by the escapement-pawl Z limits the rate of movement of the gear J, and consequently the rate at which the intensity of the current is increased. The raising of the handles 11 also serves to depress the rod F which, striking against the raised. end of the lever D, lowers it and breaks the electrical circuit at the springfinger E. The lever G is thus released and drawn back to the former position by the spring G, which movement throws the bolts g'back. When the handles H are dropped, the levers F come back into place, the lugs f slipping past the bolts g, whose ends are beveled to permit this movement. After the lugs f have passed the bolts 9, these latter are shot into position by the springG and lock the handles.

WVhat I claim as new, and desire to secure by Letters Patent, is-

1. The combination of the case A, chute B, lever D, cell S, wire 1, spring-finger E, wire 6, coil W, wires 5 and 4, lever G, and bolts g, substantially as and for the purposes specified.

2. The combination of the case A, chute B, lever D, cell S, wire 1, spring-finger E, wire 6, coil XV, wires 5 and 4, lever G, and bolts g, and spring G, substantially as and for the purposes specified.

3. The combination of the case A, chute B, lever D, cell S, wire 1, spring-finger E, wire 6, coil W, wires 5 and 4, lever G, and bolts g, and spring G, handles H, levers F, and rod F, substantially as and for the purposes specified.

4. The combination of the levers F and rod F, rack L, rod Z, core m, operated by said levers, and circuit opening and closing devices, substantially as and for the purposes specified.

,5. The combination of the levers F and rod F, rack L, rod Z, core m, attached to rod Z, coil M, wires 4 2, spring-fingers U and V, Wire 3, screw m armature m wire 9, and wires 7 and 8, substantially as and for the purposes specified.

6. The combination of the lovers F and rod F, spring 0, cord 0, weight W, pulley N, train of wheels provided with escapementpawl, pulley J, rack L, rod Z, core m, attached to rod Z, coil M, wires 4 2, spring-fingers U and V, wire 3, screw m armature m wire 9, and wires 7 and 8, substantially as and for the purposes specified.

7. The combination of the case A, chute B, lever D, cell S, wire 1, spring-finger E, wired, coil W, wires 5 and 4, lever G, and bolts g, and spring G, handles H, levers F, and rod F, spring 0, cord 0, weight WV, pulley N, train of wheels provided with escapementpawl, pulley J, rack L, rod Z, core m, attached to rod Z, coil M, Wires 4 2, spring-fingers U and V, wire 3, screw m armature m wire 9, and wires7 and S, substantially as and for the purposes specified.

8. The combination of the chute B, lever D, provided with cup d and weight (Z, and lug O, substantially as and for the purposes specified.

JOHN H. ELFERING.

Witnesses:

NATHL. M. J ONES, OATLET HENRY HARRISON, Jr. 

